Kormoran SNOW is a winter tyre made in total of 63 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 205/55 R17 is 40mm wider than the narrowest dimension (165) and 40mm narrower than the widest one (245). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (205mm), which results in 112.75mm sidewall height. In 205/55 R17, there is only one possible speed index for Kormoran SNOW - "V", which is good for speeds up to 240 km/h. In 205/55 R17, SNOW usually competes against Winter W1, which is a tyre from Giti with a rating of 14%, compared to 6% of the Kormoran in question.